natural balance什么意思解释？

natural balance的音标：natural balance的英式发音音标为：['nætʃərəl 'bæləns]natural balance的美式发音音标为：['nætʃərəl 'bæləns]...

The soil contains materials to keep the natural balance the area.这些泥土中含有保持该地区大自然平衡的物质.Low in sodium, it contains a natural balance of over 80 minerals.低钠, 它包含了自然平衡超过80矿物质.Minimal intervention allows the ecologies to adap...